Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
cong doan » cong dan, cong hoan, dong doanh
doanh va » doan va, doanh tai, doanh cua
cong hoa » dong hoa, dong hoc, hang hoa
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) OR (hieu lang)) - canh doanh va nhung ((cong doan) or (cong hoa)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - canh doanh va nhung ((cong doan) OR (cong hoa)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - canh doanh va nhung ((cong doan) or (cong hoa)) phan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (hieu lang)) - canh doanh va nhung ((cong doan) or (cong hoa)) phan cau*.